response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2861/launches (required, This URI must exactly match a value pre-registered with the platform)

response_mode: form_post (required, tools and platforms must support a value of form_post)

client_id: dvb-platform-20-apr (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InpYWThlakU5RU9RMkFEY2ppcTVtYnJ3T2ZqNktyRXBHWEZyZF9WYVcwYmsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyODYxLCJzdGF0ZV9ub25jZSI6ImYzODg0NGIxMWU0ZThmZDYxMDJkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODYxIn0sImlzcyI6ImR2YiB0b29sIDIwIG5vdiIsInN1YiI6ImR2Yi1wbGF0Zm9ybS0yMC1hcHIiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zMTg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODc4MjM2NjUsImV4cCI6MTc4NzgyMzk2NSwianRpIjoiYTQxNzA5MTBhMTVhYmI2MDIxMWYifQ.Kt7KvZqQayb3J4_t-q4VBTu0CCDghCc5rl9tkF-422luPukvGaMxrH25f0aSJ5ZcfunIMDUm80UQ_Co8cH52BNRal48I5OLmO1j-Dx5Kc8tBa-Wpxwyfg0SYXQ_G4TcQ8g8x8C7h-tCEfUahU3twmRUofxtUqHiPqwVFp8YGNu6pFkX-425LLqopm2ITrqCikMLt-0uD3PPp6KlrY763-EQUvWbJegZdMHwUGvIOgdUU_1UY-uSSwoj6wcNHN-gomljbpmGmQghFYBlXchgapJmkI--RwCAJlFYTO_W69YEbC_P9OZZzS6CbyFeL4wrHJAW5mDpPpG5mPzhAc-ntaw (required, opaque value used to maintain state between the request and the callback)

login_hint: (required, tools and platforms must support a value of form_post)

lti_message_hint: (required, a platform opaque identifier identifying the user to login)

prompt: none (optional, The tool should use a value of none. In the future a re-launch flow may support additional values being used here)

nonce: f38844b11e4e8fd6102d (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)